Home / 7,859,420.58-10,845,998.73-4,374,684.21

Finding the Fourth Proportional to 7,859,420.58, 10,845,998.73 and 4,374,684.21

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Solution

The fourth proportional to 7,859,420.58, 10,845,998.73 and 4,374,684.21 is: 6,037,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,420.58 : 10,845,998.73 = 4,374,684.21 : x
  2. Step 2: Convert to fraction form
    7,859,420.58/10,845,998.73 = 4,374,684.21/x
  3. Step 3: Cross multiply
    7,859,420.58x = 10,845,998.73 × 4,374,684.21
  4. Step 4: Simplify right side
    7,859,420.58x = 47,447,819,385,811.05
  5. Step 5: Solve for x
    x = 47,447,819,385,811.05/7,859,420.58
  6. Step 6: Final answer
    x = 6,037,063.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.